org.red5.io.mp4
Class MP4Descriptor

java.lang.Object
  org.red5.io.mp4.MP4Descriptor

public class MP4Descriptor
extends Object

MP4Descriptor

Field Summary

protected Vector<MP4Descriptor>	children
protected long	decSpecificDataOffset
protected int	decSpecificDataSize
static int	MP4DecoderConfigDescriptorTag
static int	MP4DecSpecificInfoDescriptorTag
static int	MP4ES_DescriptorTag
protected int	readed
protected int	size
protected int	type

Constructor Summary

MP4Descriptor(int type, int size)

Method Summary

void	createDecoderConfigDescriptor(MP4DataStream bitstream) Loads the MP4DecoderConfigDescriptor from the input bitstream.
void	createDecSpecificInfoDescriptor(MP4DataStream bitstream) Loads the MP4DecSpecificInfoDescriptor from the input bitstream.
static MP4Descriptor	createDescriptor(MP4DataStream bitstream)
void	createES_Descriptor(MP4DataStream bitstream) Loads the MP4ES_Descriptor from the input bitstream.
Vector<MP4Descriptor>	getChildren()
long	getDecSpecificDataOffset()
int	getDecSpecificDataSize()
byte[]	getDSID()
int	getReaded() Gets the number of data bytes which were read from the stream;
int	getType() Returns the type of this descriptor.
MP4Descriptor	lookup(int type, int number) Lookups for a child descriptor with the specified type, skips the number children with the same type before finding a result.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MP4ES_DescriptorTag

public static final int MP4ES_DescriptorTag

See Also:

Constant Field Values

MP4DecoderConfigDescriptorTag

public static final int MP4DecoderConfigDescriptorTag

See Also:

Constant Field Values

MP4DecSpecificInfoDescriptorTag

public static final int MP4DecSpecificInfoDescriptorTag

See Also:

Constant Field Values

type

protected int type

size

protected int size

readed

protected int readed

children

protected Vector<MP4Descriptor> children

decSpecificDataSize

protected int decSpecificDataSize

decSpecificDataOffset

protected long decSpecificDataOffset

Constructor Detail

MP4Descriptor

public MP4Descriptor(int type,
                     int size)

Method Detail

createDescriptor

public static MP4Descriptor createDescriptor(MP4DataStream bitstream)
                                      throws IOException

Throws:

IOException

createES_Descriptor

public void createES_Descriptor(MP4DataStream bitstream)
                         throws IOException

Loads the MP4ES_Descriptor from the input bitstream.

Parameters:

bitstream - the input bitstream

Throws:

IOException

createDecoderConfigDescriptor

public void createDecoderConfigDescriptor(MP4DataStream bitstream)
                                   throws IOException

Loads the MP4DecoderConfigDescriptor from the input bitstream.

Parameters:

bitstream - the input bitstream

Throws:

IOException

getDSID

public byte[] getDSID()

createDecSpecificInfoDescriptor

public void createDecSpecificInfoDescriptor(MP4DataStream bitstream)
                                     throws IOException

Loads the MP4DecSpecificInfoDescriptor from the input bitstream.

Parameters:

bitstream - the input bitstream

Throws:

IOException

getDecSpecificDataOffset

public long getDecSpecificDataOffset()

getDecSpecificDataSize

public int getDecSpecificDataSize()

lookup

public MP4Descriptor lookup(int type,
                            int number)

Lookups for a child descriptor with the specified type, skips the number children with the same type before finding a result.

Parameters:

type - the type of the descriptor.

number - the number of child descriptors to skip

Returns:

the descriptor which was being searched.

getType

public int getType()

Returns the type of this descriptor.

getReaded

public int getReaded()

Gets the number of data bytes which were read from the stream;

Returns:

the number of read data bytes.

getChildren

public Vector<MP4Descriptor> getChildren()